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Environmental & Geotechnical Drilling Services

Ensure Your Drilling Jobs Run Smoothly
When you are managing a large construction project it is important that your environmental and geotechnical drilling team gets the job done on schedule. Breakdowns, the wrong equipment or inexperienced drillers can delay your project and lead to unnecessary expenses. The Gregory Drilling team has a reputation for delivering as promised, even in challenging circumstances. Based on our competitive bidding and reputation for excellent performance we were selected for the geotechnical drilling, soil investigating and installation of monitoring wells for numerous high profile projects in the Pacific Northwest.

When it comes to your environmental and geotechnical drilling jobs select a team that will help your project run smoothly. Contact the Gregory Drilling team today and put your project in capable hands.

Put Reliable Equipment and Experience
to Work On Your Jobs

Your environmental and geotechnical drilling needs demand the best tools and team. With Gregory Drilling, you get reliable equipment, capabilities and experience working for you.

Experience Your Drilling Jobs Will Benefit From
Everett I-5 HOV Expansion (2005-06): eight-month job included drilling and installing monitoring wells; soil investigating; and night, road, truck and track work
Transalta Coal Mine (2005): used Foremost DR-12 dual rotary rig to drill 12 monitoring wells/sites 600 - 700 feet deep
Brightwater Wastewater Treatment Facility (2004): during seven-month job completed 500+ cores, including coring overburden and PQ coring using several rigs depending on the depth of location
Bremerton Naval Base (2000): new pier at the Naval Base involved over-the-water drilling of 15 holes of 175 feet each using casing advancer drilling. Crews worked 24 hours a day and finished two weeks ahead of schedule!

Equipment and Capabilities
Your Drilling Job Will Benefit From
 
Equipment
CME 85, truck mounted drilling rig
CME 850, track mounted drilling rig
Foremost DR-12 truck mounted dual rotary drilling rig
Geo-Loop grouter
Portadrill 524
F-550 Flatbed truck for removing cuttings from site
Numerous trucks and trailers
 
Capabilities
140/300 lb auto hammers
Air rotary drilling
Casing advancer HQ & HWT
Concrete coring
Core drilling HQ and PQ
Hollow stem auger - 3 ¼" to 12 ¼"
Installing monitoring wells
Open hole mud rotary drilling
Setting slope inclinometers
SPT and Dames & Moore

geotechnical drilling
I-5 HOV Expansion geotechnical
drilling for overpass

geotechnical drilling for slope stability
Installed inclinometers
to measure slope stability

geotechnical drilling for rock core sample
Rock core sample from
geotechnical drilling

Over-the-water geotechnical drilling
Over-the-water geotechnical drilling

Core bit used for cutting rock samples in geotechnical drilling
Core bit used for cutting rock samples
in geotechnical drilling

Contact us today for more information, fees and scheduling.

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Gregory Drilling
17609 NE 70th Street
Redmond, WA, 98052
425-869-2372

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